Mannequin Syndrome is a first-person survival horror game for solo play or 1–4 player online co-op. Enter the Syntrax Facility, complete objectives, restore critical systems, execute the shutdown, and escape as the mannequin threat becomes increasingly dangerous.

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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Mannequin Syndrome is launching in Early Access to deliver a strong, atmospheric horror experience from the very beginning while working closely with the community to shape the future of the game. The goal is to gather valuable feedback on gameplay mechanics, mannequin behavior, level design, pacing, and co-op balance. Early Access allows us to refine the core systems already in place, improve the overall experience, and expand the game over time with polish, new content, and deeper environmental storytelling based on player input. Your support will help guide development as we evolve Mannequin Syndrome into a more intense and memorable horror experience.”

Approximately how long will this game be in Early Access?

“I expect Mannequin Syndrome to remain in Early Access for approximately 12 to 18 months. However, this estimate may change depending on community feedback, development progress, and the scope of planned improvements.

My objective during Early Access is to polish the core gameplay, improve mannequin behavior and overall balance, expand the game with additional content over time, and strengthen the overall horror experience until it reaches a more complete and satisfying state for players.”

How is the full version planned to differ from the Early Access version?

“I plan to expand Mannequin Syndrome beyond its Early Access version by increasing the overall scope of the game with additional content, broader gameplay variety, and further refinement of the core horror experience. This may include new maps, more mannequin-related gameplay variation, expanded environmental interactions, and additional systems that build on the current objective-driven structure.

During Early Access, my focus is on polishing the core gameplay, improving mannequin behavior and balance, refining co-op and solo play, and strengthening the systems already in place through community feedback. The full version is intended to feel more complete, more varied, and more refined based on what players respond to most.

Please note that the final content and feature set may evolve over time based on development progress, testing, and community feedback.”

What is the current state of the Early Access version?

“The Early Access version of Mannequin Syndrome includes one fully playable investigation zone set inside the Syntrax Facility. Players face a mannequin threat that becomes more dangerous as objectives are completed, creating increasing pressure as the round progresses.

Core systems such as multiplayer co-op for 1–4 players, solo play, task-based progression, environmental puzzles, shutdown progression, and the player death and spectator flow are already functional. Safe zone logic and a range of interactive facility systems are also in place to support the core survival horror experience.

This version reflects the current foundation of the game’s horror gameplay loop. Future updates may include bug fixes, visual improvements, additional content, expanded gameplay variety, and further refinement based on player feedback.”

Will the game be priced differently during and after Early Access?

“I currently plan to release Mannequin Syndrome as a free-to-play game, and I do not intend to change that during or after Early Access. The goal is for the game to remain free as development continues.”

How are you planning on involving the Community in your development process?

“I plan to involve the community primarily through the official Discord server, where players can share feedback, report bugs, and suggest improvements directly.

I may also invite community members to test upcoming changes before wider updates when needed. This approach helps me shape Mannequin Syndrome around real player feedback while improving the game over time.”
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This game is not yet available on Steam

Planned Release Date: To be announced

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About This Game

Mannequin Syndrome is a first-person survival horror game for solo play or 1–4 players in online co-op.

You are sent into the Syntrax Facility, where something has already gone terribly wrong. The building is still running, but not the way it should. Some systems remain active, some areas still function, and throughout the facility mannequins stand motionless like empty shells.

Most of them are inactive.

One of them is not.

The active mannequin does not always stay the same. At any moment, the one hunting you can become still, while another somewhere else becomes active. That means every mannequin in the facility can become the threat.

Your objective is simple on paper: enter the facility, restore critical systems, complete the required objectives, reach the shutdown sequence, and escape.

Surviving long enough to do that is the real problem.

The deeper you go, the worse the situation becomes. Every completed objective moves you closer to escape, but it also makes the threat more dangerous. What begins as something slow and unsettling becomes faster, more aggressive, and far less predictable.

The challenge is not only staying alive, but continuing to progress. Exploration, objectives, and coordination become harder as the threat escalates. To survive, you will need to restore access, open new paths, interact with terminals, solve puzzles, and keep moving forward under pressure.

The mannequins are not there just for atmosphere. They are the main threat. As the round progresses, they become more relentless, more dangerous, and harder to read. Once the endgame begins, the facility stops feeling like a place you are exploring.

It starts feeling like something you need to escape before it fully turns against you.

Key Features

  • Solo play and 1–4 player online co-op

  • First-person survival horror inside the Syntrax Facility

  • Objective-based progression

  • Environmental puzzles and interactive systems

  • Escalating mannequin threat

  • Shutdown sequence and final extraction phase

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Some visual assets on this store page, including the game logo and promotional headers, were created using AI-based generative tools. No AI content is generated during gameplay.

Mature Content Description

The developers describe the content like this:

This Game may contain content not appropriate for all ages, or may not be appropriate for viewing at work: General Mature Content

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10
    • Processor: N/A
    • Graphics: N/A
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: N/A
    • Processor: N/A
    • Graphics: N/A
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